首页 / 百科 / 内容详情 Who is the first explorer traversing Grand Canyon？ 2023-12-30 3次阅读 traversing Explorer Canyon Who is the first explorer traversing Grand Canyon？ A.John PowellB.John MuirC.John ParkerD.John Smith正确答案：John Powell Grand Canyon State refers to（）. Who signed the bill to establish Yosemite National Park？ 猜你喜欢